gecko-dev/content/canvas/test/test_toBlob.html
Kyle Huey a78a5f8920 Bug 648610: Implement <canvas>.toBlob. r=smaug
--HG--
rename : content/canvas/test/test_mozGetAsFile.html => content/canvas/test/test_toBlob.html
2012-10-15 14:15:25 -07:00

43 lines
1.2 KiB
HTML

<!DOCTYPE HTML>
<title>Canvas test: mozGetAsFile</title>
<script src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<script>
var gCompares = 2;
function BlobListener(type, canvas, file)
{
is(file.type, type,
"When a valid type is specified that should be returned");
var reader = new FileReader();
reader.onload =
function(e) {
is(e.target.result, canvas.toDataURL(type),
"<canvas>.mozGetAsFile().getAsDataURL() should equal <canvas>.toDataURL()");
if (--gCompares == 0) {
SimpleTest.finish();
}
};
reader.readAsDataURL(file);
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(function () {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
ctx.drawImage(document.getElementById('yellow75.png'), 0, 0);
canvas.toBlob(BlobListener.bind(undefined, "image/png", canvas));
canvas.toBlob(BlobListener.bind(undefined, "image/jpeg", canvas), "image/jpeg");
});
</script>
<img src="image_yellow75.png" id="yellow75.png" class="resource">